Atari 800 Field Service Manual

8QQ
COLOR
BAR
TROUBLESHOOTING
Swmp-out
A301 And
A302 on CPU
Board
Does
5cre«n look
like Figura
3-4
NO
Sw«p
CPU Board
Ooaa screan
look
like Figure i
-4
NO
Swap-out A103.
Q105
^ind A 104
Does screen
look
like Figure
3-4
NO
Go to next
page
YES
Go to TIA.
Page
7-13
YES
Trace color
circuitry
on CPU
Board.
Make certain
to check
color
delay circuit
and a309
JCSS.
Go to
TIA,
Paste i
7-L3 I
ATARI
Home
Computer
7-10

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS